Collaboration diagram for Topological grids and operations:

Topics
	Discontinuous Galerkin Nd grid

	Discontinuous Galerkin grids with X-point

	Evaluate, integrate, weights
	\( f_i = f(\vec x_i) \)

	Create derivatives
	\( D_x\), \( D_y\) and \( D_z \)

	Create stencils

	Interpolation, Projection, Transformation


	Averaging, prolongation and partial reductions
	\( I \) and \( P = I^\dagger\)

	Scatter and Gather

Detailed Description

Objects that store topological information (which point is neighbour of which other point) about the grid.

Topics